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Call your Parasound dealer first. If the dealer can’t help you with your problem we encourage 
you to call Parasound’s Technical Service Department, toll-free at 

1-866-770-8324

, Monday 

- Friday, 8am - 4pm Pacific time. We can suggest other diagnostic tests you can easily per-
form. If we determine that your Model 275 should be returned to Parasound or an Authorized 
Parasound Warranty Center for inspection and possible servicing, we will provide the location 
of a warranty center near you or shipping instructions and a Return Authorization number for its 
return to Parasound.

Before You Return Any Unit to Parasound for Service

Before you send your unit to Parasound, you will need to obtain a specific Return Authorization 
(RA) number and shipping instructions from Parasound’s Technical Department. The RA number 
must be clearly marked on the outer carton. Use the original factory packing materials and 
arrange adequate insurance to cover its value. You must include a copy of your purchase 
receipt, since this document establishes the validity of this unit’s warranty. Warranty repairs are 
only performed by Parasound or Parasound Authorized warranty centers when your purchase 
receipt is from a Parasound Authorized Dealer or Parasound Authorized Reseller.

Units Will Be Refused by Parasound Under the Following Conditions

1.  Unit was sent without the Parasound-assigned RA number marked on the carton.
2.  Unit was sent in an unsuitable shipping carton, likely to have been damaged in transit.
3.  Unit has inadequate packing, unit likely to have been damaged in transit.
4.  Unit was shipped collect for shipping charges. We do not accept collect shipments.
5.  Unit was shipped via the US Postal Service.
6.  Unit was sent to an address other than the address instructed by our Technical Department.

Note: 

The shipping address is not the same as Parasound’s office address.

Warranty Repair

Read your accompanying Parasound Limited Warranty carefully to understand the applicable rights 
and limitations. This section provides instructions for obtaining repairs, both for units covered 
under the Parasound Limited Warranty and for units or situations which are outside the Warranty.

Unit is not eligible for repair under the terms of the Parasound warranty if:

1.  Unit was not purchased from a Parasound Authorized Dealer or Parasound Authorized Reseller.
2.  You are not the original owner. The warranty is not transferable.
3.  Unit’s serial number was removed, modified, or defaced.
4.  Unit shows evidence of abuse and/or misuse.
5.  Unit was modified in any way.
6.  A prior repair was attempted by an unauthorized repair station.

IF YOU REQUIRE ASSISTANCE

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Страница 1: ...Model 275 Two Channel Power Amplifier OWNER S GUIDE Model 275 Two Channel Amplifier A B Power M o d e l 2 7 5 T w o C h a n n e l A m p l i f i e r Protect Hi Temp L R...

Страница 2: ...will only fit into a grounding power outlet If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the ground...

Страница 3: ...High Pass Filter Switch 4 Speaker Connections 5 Bridging Switch Stereo Mono 5 Mono Input 6 Speaker Connections 6 Load Impedance Switch 6 Auto Turn On 6 Sensitivity Adjust Knob 8 Ground Switch 8 Front...

Страница 4: ...thoroughly before you begin installation Unpacking Carefully unpack your Model 275 and these accessories Detachable AC power cord Trigger wire with a 2 5 mm sub mini plug at both ends Trigger wire ad...

Страница 5: ...till develop around any heat producing equipment Therefore a ventilation fan is high ly recommended Allow a few inches of empty space on each side and above the unit and try to avoid crowding or stack...

Страница 6: ...certified amplifier might play a bit louder because of its higher power output We recommend setting the 275 s R and L level controls to 3 o clock if you are driving it from a THX surround controller...

Страница 7: ...peakers is another way the 275 will run cooler Note Autoformer type passive volume controls are highly reactive loads that are known to cause amplifier malfunction The 20 Hz or 40 Hz filter settings e...

Страница 8: ...the mono power output is much higher than the sum of the L and R channel outputs for stereo operation Mono Input and Speaker Connections 1 Turn the unit off and remove the AC cord 2 Connect the single...

Страница 9: ...s set to its 12V position the Model 275 is turned on and off with an external 9V to 12V voltage from your preamp or controller When the external volt age ceases the Model 275 will turn off immediately...

Страница 10: ...gging in the 275 s AC cord for the first time will usually create an internal power surge that false triggers its Audio auto turn on even if there s no audio signal at its input jacks and it will rema...

Страница 11: ...right away You can also turn it off by unplugging its AC power cord Auto Turn On switch in the Audio position turn off the preamplifier surround controller or system controller that drives your 275 Y...

Страница 12: ...ires are secure at both ends Make sure the control preamp receiver is switched to the correct input If using Auto turn on increase the sensitivity of the audio trigger Is the Hi Temp or Protect or bot...

Страница 13: ...Dealer or Parasound Authorized Reseller Units Will Be Refused by Parasound Under the Following Conditions 1 Unit was sent without the Parasound assigned RA number marked on the carton 2 Unit was sent...

Страница 14: ...at 2 828 V output IHF A weighted 84 dB at 2 828 V output unweighted Input Impedance 33 k Input Sensitivity 800 mV for full rated output Inter Channel Crosstalk 80 dB 1 kHz 72 dB 10 kHz 65 dB 20 kHz D...

Страница 15: ...Notes CONNECTION AND SETUP NOTES 13...

Страница 16: ...why Parasound has been a quality and value favorite of magazine reviewers sound professionals and listeners like you since we were founded in 1981 rev 0 91 2005 Parasound Products Inc Parasound Produ...

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